Grill brush



FIG. 1 is a perspective view of the embodiment thereof;

FIG. 2 is a bottom view of the embodiment thereof;

FIG. 3 is a top view of the embodiment thereof;

FIG. 4 is a right side view of the embodiment thereof;

FIG. 5 is a left side view of the embodiment thereof;

FIG. 6 is a front view of the embodiment thereof; and,

FIG. 7 is a back view of the embodiment thereof.

In the drawings, the broken lines are for the purpose of illustrating environment only and form no part of the claimed design. 

CLAIM The ornamental design for a grill brush, as shown and described. 